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    <meta charset="UTF-8">
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    <title>Document</title>
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<body>
    <script>
        var name = prompt('李家豪今年几岁了？')
        while (name !== '22') {
            name = prompt('不对哦！重新猜')
        }
        alert('没错哦！他是个老家伙了！')
    </script>
</body>

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